14-hydroxy-N-(2-methoxyethyl)-7,8-dihydromorphine and -norisomorphine, processes for the preparation thereof and the use thereof as pharmaceutical compositions

US5240933A · kind A · utility

Assignee

• Boehringer Ingelheim GmbH · DE

Inventors

• Herbert Merz · Ingelheim am Rhein, DE
• Ingrid Wiedemann · Wiesbaden, DE
• Helmut Ensinger · Wackernheim, DE
• Klaus Stockhaus
• Matthias Grauert · Ingelheim am Rhein, DE

Key dates

• Filing date: Sep 25, 1992
• Grant date: Aug 31, 1993
• Expiry date: Sep 25, 2012

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61P25/04
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The present invention relates to 14-hydroxy-N-(2-methoxyethyl)-7,8-dihydromorphine and -norisomorphine, processes for preparing them and their use as pharmaceutical compositions.